Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/46264
Campo DC Valoridioma
dc.contributor.authorCalvet, F.en_US
dc.contributor.authorCabrera, MCen_US
dc.contributor.authorCarracedo, J. C.en_US
dc.contributor.authorMangas, J.en_US
dc.contributor.authorPérez-Torrado, F. J.en_US
dc.contributor.authorRecio, C.en_US
dc.contributor.authorTravé, A.en_US
dc.contributor.otherCarracedo, Juan-Carlos-
dc.contributor.otherCabrera, Maria del Carmen-
dc.contributor.otherRecio, Clemente-
dc.contributor.otherTrave, Anna-
dc.contributor.otherPerez-Torrado, Francisco Jose-
dc.date.accessioned2018-11-23T02:53:34Z-
dc.date.available2018-11-23T02:53:34Z-
dc.date.issued2003en_US
dc.identifier.issn0025-3227en_US
dc.identifier.urihttp://hdl.handle.net/10553/46264-
dc.description.abstractBeachrocks on La Palma Island developed on platform-forming lavas of the Cumbre Vieja volcano. Some of these lavas are related to the 1585 (Puerto Naos), 1677 and 1971 (Echentive) eruptions. Radiocarbon dating of the Charco Verde beachrock gives a conventional age of 33 330±490 BP, while that at Playa Chica beach gives a calibrated age of 14 940±525 BP. The beachrocks, up to 1.5 m thick and some tens of metres wide, consist of several decimetre-thick horizons dipping 2–15° seaward. Petrographically, they can be classified as rudstones and arenites, with volcanic clasts as their main component. The original porosity of the beachrocks was intergranular (and occasionally intragranular) and was partially occluded by cementation and locally by internal sediments. The main cements are fibrous aragonite and micrite high-magnesium calcite (HMC). Spar aragonite, peloidal HMC and microbotryoidal HMC are scarce. The elemental geochemistry of these cements is consistent with a marine origin whereas the isotopic geochemistry indicates precipitation from marine waters slightly modified by meteoric waters. The evolution of beach deposits, and especially the beachrocks in La Palma island, follows three stages: (1) beach deposition, (2) beachrock formation, and (3) beach retrogradation and/or erosion. The studied beachrocks prompt us to make some important considerations. (1) The mean tidal range in the Canary Islands has not varied over the last thousand years. (2) The position of the beachrocks at the present-day sea level would require a combination of eustatic and isostatic movements to keep the sea level stable at the present level over the last thousand years. (3) Volcanic activity supplies the sediment that forms the beaches. (4) A dry warm climate with a very low rainfall (below 250 mm/year) and a high insolation rate (6–11 h/day) favours and favoured cement precipitation and beachrock formation by increasing the water temperature in the intertidal zone and in the inner part of the beaches. (5) The presence of beachrocks in the La Palma beaches prevents the total disappearance of the beaches.en_US
dc.languageengen_US
dc.publisher0025-3227-
dc.relation68/98en_US
dc.relation.ispartofMarine Geologyen_US
dc.sourceMarine Geology [ISSN 0025-3227], v. 197, p. 75-93en_US
dc.subject250621 Vulcanologíaen_US
dc.subject.otherBeachrocksen_US
dc.subject.otherVolcanic conglomeratic beachesen_US
dc.subject.otherMarine cementsen_US
dc.subject.otherStable isotopesen_US
dc.subject.otherQuaternaryen_US
dc.subject.otherLa Palma (Canary Islands)en_US
dc.subject.otherTrace elementsen_US
dc.titleBeachrocks from the island of La Palma (Canary Islands, Spain)en_US
dc.typeinfo:eu-repo/semantics/Articlees
dc.typeArticlees
dc.identifier.doi10.1016/S0025-3227(03)00090-2
dc.identifier.scopus0038530780-
dc.identifier.isi000183246400006-
dcterms.isPartOfMarine Geology-
dcterms.sourceMarine Geology[ISSN 0025-3227],v. 197 (1-4), p. 75-93-
dc.contributor.authorscopusid6603750961-
dc.contributor.authorscopusid7102308029-
dc.contributor.authorscopusid55663151400-
dc.contributor.authorscopusid56114334400-
dc.contributor.authorscopusid6602207526-
dc.contributor.authorscopusid6602871634-
dc.contributor.authorscopusid6701456717-
dc.description.lastpage93-
dc.description.firstpage75-
dc.relation.volume197-
dc.investigacionCienciasen_US
dc.type2Artículoen_US
dc.identifier.wosWOS:000183246400006-
dc.contributor.daisngid771828-
dc.contributor.daisngid2942267-
dc.contributor.daisngid551723-
dc.contributor.daisngid5409372
dc.contributor.daisngid1765426-
dc.contributor.daisngid1111499-
dc.contributor.daisngid1291990-
dc.contributor.daisngid1219659-
dc.identifier.investigatorRIDN-9641-2018-
dc.identifier.investigatorRIDR-9825-2018-
dc.identifier.investigatorRIDI-2637-2015-
dc.identifier.investigatorRIDP-4457-2017-
dc.identifier.investigatorRIDN-9727-2018-
dc.contributor.wosstandardWOS:Calvet, F
dc.contributor.wosstandardWOS:Cabrera, MC
dc.contributor.wosstandardWOS:Carracedo, JC
dc.contributor.wosstandardWOS:Mangas, J
dc.contributor.wosstandardWOS:Perez-Torrado, FJ
dc.contributor.wosstandardWOS:Recio, C
dc.contributor.wosstandardWOS:Trave, A
dc.date.coverdateJunio 2003
dc.identifier.ulpgces
dc.description.jcr1,497
dc.description.jcrqQ1
dc.description.scieSCIE
item.fulltextSin texto completo-
item.grantfulltextnone-
crisitem.author.deptGIR IUNAT: Geología de Terrenos Volcánicos-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.deptDepartamento de Física-
crisitem.author.deptGIR IUNAT: Geología de Terrenos Volcánicos-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.deptGIR IOCAG:Geología Aplicada y Regional-
crisitem.author.deptIU de Oceanografía y Cambio Global-
crisitem.author.deptDepartamento de Física-
crisitem.author.deptGIR IUNAT: Geología de Terrenos Volcánicos-
crisitem.author.deptIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.deptDepartamento de Física-
crisitem.author.orcid0000-0002-4556-4665-
crisitem.author.orcid0000-0002-4282-2796-
crisitem.author.orcid0000-0002-3286-743X-
crisitem.author.orcid0000-0002-4644-0875-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.parentorgIU de Oceanografía y Cambio Global-
crisitem.author.parentorgIU de Estudios Ambientales y Recursos Naturales-
crisitem.author.fullNameCabrera Santana, María Del Carmen-
crisitem.author.fullNameCarracedo Gomez,Juan Carlos-
crisitem.author.fullNameMangas Viñuela, José-
crisitem.author.fullNamePérez Torrado, Francisco José-
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